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95 lines
2.1 KiB
Markdown
95 lines
2.1 KiB
Markdown
---
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order: 11
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title:
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zh-CN: 自定义新增页签触发器
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en-US: Customized trigger of new tab
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---
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## zh-CN
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隐藏默认的页签增加图标,给自定义触发器绑定事件。
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## en-US
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Hide default plus icon, and bind event for customized trigger.
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```jsx
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import { Tabs, Button } from 'antd';
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const { TabPane } = Tabs;
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class Demo extends React.Component {
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constructor(props) {
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super(props);
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this.newTabIndex = 0;
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const panes = [
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{ title: 'Tab 1', content: 'Content of Tab Pane 1', key: '1' },
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{ title: 'Tab 2', content: 'Content of Tab Pane 2', key: '2' },
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];
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this.state = {
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activeKey: panes[0].key,
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panes,
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};
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}
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onChange = activeKey => {
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this.setState({ activeKey });
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};
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onEdit = (targetKey, action) => {
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this[action](targetKey);
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};
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add = () => {
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const { panes } = this.state;
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const activeKey = `newTab${this.newTabIndex++}`;
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panes.push({ title: 'New Tab', content: 'New Tab Pane', key: activeKey });
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this.setState({ panes, activeKey });
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};
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remove = targetKey => {
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let { activeKey } = this.state;
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let lastIndex;
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this.state.panes.forEach((pane, i) => {
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if (pane.key === targetKey) {
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lastIndex = i - 1;
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}
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});
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const panes = this.state.panes.filter(pane => pane.key !== targetKey);
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if (panes.length && activeKey === targetKey) {
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if (lastIndex >= 0) {
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activeKey = panes[lastIndex].key;
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} else {
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activeKey = panes[0].key;
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}
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}
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this.setState({ panes, activeKey });
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};
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render() {
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return (
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<div>
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<div style={{ marginBottom: 16 }}>
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<Button onClick={this.add}>ADD</Button>
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</div>
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<Tabs
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hideAdd
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onChange={this.onChange}
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activeKey={this.state.activeKey}
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type="editable-card"
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onEdit={this.onEdit}
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>
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{this.state.panes.map(pane => (
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<TabPane tab={pane.title} key={pane.key}>
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{pane.content}
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</TabPane>
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))}
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</Tabs>
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</div>
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);
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}
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}
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ReactDOM.render(<Demo />, mountNode);
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```
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